Home-X 10" Merry Christmas Window Silhouette Decoration Sparkles like crazy in every color. Concealed clear LEDs shine as brightly as the stars in the heavens. Delightful design is made from durable, flexible plastic and measures about 10" x 5". Hanger assembly is about 11" long, including a powerful suction cup that clings securely to glass. Runs on three AAA batteries, not included. Home-X is a registered trademark of Simply Home Solutions.